WO2007020232A1 - Releasable lock for a motor vehicle lock mechanism - Google Patents

Releasable lock for a motor vehicle lock mechanism Download PDF

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Publication number
WO2007020232A1
WO2007020232A1 PCT/EP2006/065226 EP2006065226W WO2007020232A1 WO 2007020232 A1 WO2007020232 A1 WO 2007020232A1 EP 2006065226 W EP2006065226 W EP 2006065226W WO 2007020232 A1 WO2007020232 A1 WO 2007020232A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
stator
key
lock
lock according
Prior art date
Application number
PCT/EP2006/065226
Other languages
French (fr)
Inventor
Christian Flandrinck
Original Assignee
Valeo Securite Habitacle
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Securite Habitacle filed Critical Valeo Securite Habitacle
Priority to KR1020087006382A priority Critical patent/KR101281224B1/en
Priority to MX2008002371A priority patent/MX2008002371A/en
Priority to DE200660008035 priority patent/DE602006008035D1/en
Priority to EP20060778223 priority patent/EP1957734B1/en
Priority to AT06778223T priority patent/ATE437278T1/en
Priority to CN2006800376278A priority patent/CN101283154B/en
Priority to JP2008526485A priority patent/JP4949398B2/en
Priority to BRPI0614342-3A priority patent/BRPI0614342A2/en
Priority to US12/064,212 priority patent/US8347677B2/en
Publication of WO2007020232A1 publication Critical patent/WO2007020232A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0058—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with non-destructive disengagement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7576—Sliding and rotary plug
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7706—Operating connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7706—Operating connections
    • Y10T70/7712—Rollbacks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7706—Operating connections
    • Y10T70/7718—Intermediate

Definitions

  • the invention relates to a disengageable lock for an automobile lock mechanism.
  • Such a disengageable lock is disclosed in WO02 / 097222.
  • a disengageable bolt in particular for a lock mechanism of a motor vehicle, comprises a fixed stator consisting of at least two half-cylindrical parts, a rotor which is rotatably mounted in the stator and which comprises flakes movable radially under the action of a key intended to be introduced axially into the rotor, the rotor being coupled with a control lever, called thresher, when the key is compliant, and uncoupled from the latter in the disengaged position.
  • thresher a control lever
  • the clutch is effected by means of ribs arranged inside the stator and the rotor is coupled to an output element equivalent to a control lever, via a driver.
  • the rotor and the driver guided in rotation on the rotor are in a substantially end-to-end configuration. These two parts are substantially arranged one in extension of the other.
  • the coach comprises a main ring and guide tabs which extend axially from the ring and which are intended to be received in corresponding axial slots of the control lever.
  • This lock arrangement poses the following technical problems. By its configuration in end-to-end arrangement, the length of such a lock is relatively important. In addition, the coach is a relatively fragile piece by its constitution. The constituent parts of this lock are relatively numerous and pose a problem of angular clearance between them.
  • the constitution of the disengaging device inside the stator can lead to a relatively easy flake blocking and stator wear by these flakes in the disengaged position.
  • the invention solves these problems by providing a disengageable lock particularly compact, that is to say of limited length, and particularly robust constitution.
  • the invention proposes a disengageable lock, particularly for a motor vehicle lock mechanism, comprising a fixed stator consisting of at least two half-cylindrical parts, a rotor which is rotatably mounted in the stator and which comprises flakes mobile radially under the action of a key intended to be introduced axially into the rotor, the rotor being coupled with a control lever, called a threshing machine, when the key is compliant, and uncoupled from the latter in the disengaged position, latch characterized in that said coupling of the rotor and the thresher is direct and in that the lock comprises a tubular intermediate bushing which is rotatably mounted about its axis in the stator and which is axially movable relative to the stator, the rotor being fixed axially in the intermediate sleeve and the rotor and the intermediate sleeve being locked in rotation relative to one another by the flakes when the key does not comply.
  • Such a lock is particularly compact. Its length can be reduced by about 8mm compared to a known lock. For example, it is possible to make a latch shorter than 45cm in length and with a diameter of less than 30mm.
  • the efficiency of a lock according to the invention is further improved since the kinematic chain in normal operation comprises only two parts in mutual engagement, the rotor and the threshing machine.
  • the rotor and the intermediate bushing are connected in translation in a direction from the thresher to the key inlet, against the force of a compression spring.
  • the lock also comprises an indexer which is axially movable between a rest position and a disengagement position, under the effect of a rotation of the bushing relative to the stator consecutive to the rotational drive of the rotor to the rotor. using a non-compliant key, this indexer being linked in rotation to the threshing machine.
  • the rotor and the indexer are linked in translation.
  • the stator may comprise a guide and abutment stud on its inner face.
  • the intermediate bushing has a notch with inclined sides for receiving said stud in the engaged position.
  • the indexer comprises inclined faces intended to come against said stud in the disengaged position.
  • said two stator parts block at one of their ends a key head by means of a groove arranged at this end.
  • the key head can thus be independently mounted to the component parts of the lock and can be chosen according to the burglary or corrosion constraints required.
  • said two stator parts come to lock via a flange in an annular groove arranged on the threshing machine.
  • the lock according to the invention has a resistance to break-in, whether it is tearing or depression, improved.
  • the lock according to the invention has a deflection angle at this level of less than 8 ° instead of 15 ° in the known locks.
  • Figure 1 is an exploded perspective view of a disengageable lock according to the invention.
  • Figure 2 is a perspective view of the disengageable lock according to the invention, in the initial position.
  • Figure 3 is a cross-sectional view in the position before disengagement.
  • Figure 4 is a perspective view of a lock according to the invention in the engaged position, the stator being only partially shown and the compression spring is not shown.
  • Figure 5 is a perspective view of a lock according to the invention in the disengaged position, the stator being only partially shown and the compression spring not being shown.
  • FIG. 1 a rotary latch of longitudinal axis A1 having disengaging means according to the teachings of the invention.
  • This lock is shown in Figure 2 in the initial position before introduction of a key.
  • the latch 10 essentially comprises a rotor 12 which is rotatably mounted around the axis A1, inside a fixed stator 14 consisting of two half-cylindrical parts 14A and 14B, with interposition between the two of a socket tubular intermediate 16 which is rotatably mounted about its axis in the stator and which is axially movable relative to the stator.
  • This intermediate bushing 16 has near its front face facing the thresher 24, on a portion of its periphery a notch 16 whose sides are inclined.
  • this bushing abuts against the rotor by means of an annular flange 16B (visible in FIG. 3), in a direction directed from the thresher towards the key inlet.
  • the rotor 12 is intended to be rotated by means of a key
  • a key inlet 18 arranged in a front transverse face 20 of the rotor 12, which face 20 is covered by a head cover 21 intended for example to be flush with the outside of a body panel (not shown) of the vehicle.
  • the rear axial end 22 of the rotor 12 is intended to drive in rotation a control lever or barrel 24 of a lock mechanism (not shown) to authorize the conviction and unlocking of an opening of the vehicle.
  • the rotor 12 is capable of rotating the control lever 24, only in the presence of a suitable key, in an engaged position in which are connected in rotation the rotor 12 and the control lever 24 via an interlocking arrangement. In a disengaged position, the rotor 12 is no longer capable of driving the lever 24 in rotation.
  • a helical compression spring 30 is interposed between the stator 14 and the intermediate sleeve 16 to bias the latter axially rearwardly towards its engaged position.
  • the stator 14 is generally tubular cylindrical, once the two parts 14A, 14B assembled, and it may comprise means (not shown) which allow the mounting and fixing of the lock 10 on the vehicle.
  • the stator comprises on its inner face a stop and guide stud 14C whose sides have a V-shaped tangential to this inner face on each of its ends. In the engaged position, the notch 16A of the intermediate bushing is nested in this abutment and guide stud 14C under the force of the compression spring 30.
  • the rotor 12 is intended to receive flakes 32 arranged in transverse planes which follow one another at regular intervals in the direction of the axis A1 of the latch 10 and which are received in corresponding housings of the rotor 12.
  • the flakes 32 are radially movable in the rotor 12 and they are elastically biased towards a protruding position in which they extend partially outside the housing of the rotor 12.
  • the flakes 34 are not entirely retracted and are received inside corresponding windows 36 arranged in the socket. intermediate 16.
  • the flakes 34 immobilize in rotation the rotor 12 relative to the intermediate sleeve 16 which itself remains free in rotation relative to the stator 14.
  • An indexer 28 consists of an open ring which is clipped into a groove 23 arranged near the end 22 of the rotor facing the thresher 24. The indexer 28 is thus linked in translation with the rotor.
  • the indexer 28 On its side facing the rotor, the indexer 28 comprises two inclined faces 28C and 28D. As will be seen later, these two inclined faces abut against the stop and guide pad 14C of the stator in the disengaged position.
  • the latch 10 also comprises a return spring 50 operating in torsion and serving to return the thresher 24 to the initial position.
  • the rotor 12 can be rotated with the key and carries with it the thresher 24 in rotation, releasing the lock.
  • the intermediate bushing 16 remains motionless in rotation, connected to the stator 14 by the abutment and guide stud 14C and the indexer 28 freely rotates with the thresher 24 via its lugs 28A and 28B.
  • the rotation of the thresher 24 is obtained by the rotation of the following parts: key / rotor / thresher.
  • the return spring 50 At the end of the race, when the key is released, the return spring 50, one end of which is fixed and another end in abutment against a flange 24A of the thresher 24, returns the thresher to its initial position as well as the driver and the rotor.
  • FIGS. 3 and 5 a non-compliant key has been inserted into the rotor 12 through the keyway 18 and the lock is thus in the disengaged position.
  • the flakes 32 are not therefore retracted inside the rotor 12 which is consequently rotatably connected to the intermediate bushing 16, by embedding the flakes in the latter.
  • the rotor 12 and the indexer 28 being linked in translation, the indexer is also moved in the same direction and its inclined faces 28C and 28D abut against the sides of the Ve of the stop and guide pad 14C, turned towards the threshing machine. In this position, it is immobilized and blocks the thresher through its meshing arms 28A, 28B.
  • the voluntary rotation of the key therefore causes the following parts to move: translation of the intermediate bushing / translation of the rotor / / translation of the indexer / blocking rotation of the threshing machine.
  • the rotor 12 Upon subsequent introduction of a suitable key, the rotor 12 is rotated by the rotation of the key to the initial position shown in Figures 2, then the lock is engaged if the key is compliant or is disengaged if the key does not comply.
  • the lock according to the invention is provided with a shielded rotor head 21, for example made of sintered steel.
  • the stator 14 in two parts also improves the resistance to shocks.
  • This lock has increased tamper qualities compared to the prior art.
  • the two stator parts 14A, 14B enclose the constituent parts of the lock and block by one of their ends the key head 21 by means of a groove 21 A, 21 B arranged at this end and in which is fitted the key head . At their other end, they come to lock via a flange 24B, 24C in an annular groove 24D arranged on the thresher 24.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

The invention relates to a releasable lock (10) which is intended for a motor vehicle lock mechanism, consisting of: a fixed stator (14) comprising at least two semi-cylindrical parts (14A, 14B), and a rotor (12) which is rotatably mounted in the stator and which comprises springs (32) which can move radially under the action of a key that is intended to be inserted axially into the rotor. According to the invention, the rotor (12) is coupled to a control lever (24), known as a cam, when a suitable key is used, and is disengaged from the latter in the released position. Moreover, the rotor (12) is coupled directly to the cam (24) and the lock comprises an intermediate tubular socket (16) which is mounted such that it can rotate around the axis thereof in the stator and which can move axially in relation to the stator (14), the rotor (12) being fixed axially in the intermediate socket (16) and the rotor (12) and the intermediate socket (16) being blocked in rotation in relation to one another by the springs when an unsuitable key is used.

Description

VERROU DEBRAYABLE POUR UN MECANISME DE SERRURE DEBRAYABLE LATCH FOR A LOCK MECHANISM
AUTOMOBILEAUTOMOBILE
L'invention concerne un verrou débrayable pour un mécanisme de serrure automobile.The invention relates to a disengageable lock for an automobile lock mechanism.
L'adjonction d'un mécanisme de débrayage sur un verrou destiné à une serrure automobile permet d'éviter que ce verrou ne soit forcé.The addition of a disengagement mechanism on a lock for an automobile lock makes it possible to prevent this lock from being forced.
Un tel verrou débrayable est décrit dans le document de brevet WO02/097222. Un tel verrou débrayable, notamment pour un mécanisme de serrure de véhicule automobile, comporte un stator fixe constitué d'au moins deux parties demi-cylindriques, un rotor qui est monté en rotation dans le stator et qui comporte des paillettes mobiles radialement sous l'action d'une clé destinée à être introduite axialement dans le rotor, le rotor étant accouplé avec un levier de commande, appelé batteuse, lorsque la clé est conforme, et désaccouplé de cette dernière en position débrayée.Such a disengageable lock is disclosed in WO02 / 097222. Such a disengageable bolt, in particular for a lock mechanism of a motor vehicle, comprises a fixed stator consisting of at least two half-cylindrical parts, a rotor which is rotatably mounted in the stator and which comprises flakes movable radially under the action of a key intended to be introduced axially into the rotor, the rotor being coupled with a control lever, called thresher, when the key is compliant, and uncoupled from the latter in the disengaged position.
Le débrayage s'effectue au moyen de nervures agencées à l'intérieur du stator et le rotor est accouplé à un élément de sortie équivalent à un levier de commande, par l'intermédiaire d'un entraîneur. Selon ce verrou connu, le rotor et l'entraîneur guidé en rotation sur le rotor sont dans une configuration sensiblement de disposition bout à bout. Ces deux pièces sont sensiblement disposées l'une en prolongement de l'autre.The clutch is effected by means of ribs arranged inside the stator and the rotor is coupled to an output element equivalent to a control lever, via a driver. According to this known lock, the rotor and the driver guided in rotation on the rotor are in a substantially end-to-end configuration. These two parts are substantially arranged one in extension of the other.
L'entraîneur comporte un anneau principal et des pattes de guidage qui s'étendent axialement depuis l'anneau et qui sont destinées à être reçues dans des encoches axiales correspondantes du levier de commande.The coach comprises a main ring and guide tabs which extend axially from the ring and which are intended to be received in corresponding axial slots of the control lever.
Cet agencement de verrou pose les problèmes techniques suivants. De par sa configuration en disposition bout à bout, la longueur d'un tel verrou est relativement importante. Par ailleurs, l'entraîneur est une pièce relativement fragile de par sa constitution. Les pièces constitutives de ce verrou sont relativement nombreuses et posent un problème de jeu angulaire entre elles.This lock arrangement poses the following technical problems. By its configuration in end-to-end arrangement, the length of such a lock is relatively important. In addition, the coach is a relatively fragile piece by its constitution. The constituent parts of this lock are relatively numerous and pose a problem of angular clearance between them.
Par ailleurs, la constitution du dispositif de débrayage à l'intérieur du stator peut entraîner un blocage des paillettes relativement facilement et une usure du stator par ces paillettes en position de débrayage.Furthermore, the constitution of the disengaging device inside the stator can lead to a relatively easy flake blocking and stator wear by these flakes in the disengaged position.
L'invention résout ces problèmes en proposant un verrou débrayable particulièrement compact, c'est-à-dire de longueur limitée, et de constitution particulièrement robuste.The invention solves these problems by providing a disengageable lock particularly compact, that is to say of limited length, and particularly robust constitution.
Pour ce faire, l'invention propose un verrou débrayable, notamment pour un mécanisme de serrure de véhicule automobile, comportant un stator fixe constituée d'au moins deux parties demi-cylindriques, un rotor qui est monté en rotation dans le stator et qui comporte des paillettes mobiles radialement sous l'action d'une clé destinée à être introduite axialement dans le rotor, le rotor étant accouplé avec un levier de commande, appelé batteuse, lorsque la clé est conforme, et désaccouplé de cette dernière en position débrayée, verrou caractérisé en ce que ledit accouplement du rotor et de la batteuse est direct et en ce que le verrou comporte une douille intermédiaire tubulaire qui est montée en rotation autour de son axe dans le stator et qui est mobile axialement par rapport au stator, le rotor étant fixe axialement dans la douille intermédiaire et le rotor et la douille intermédiaire étant bloqués en rotation l'une par rapport à l'autre par les paillettes lorsque la clé n'est pas conforme.To do this, the invention proposes a disengageable lock, particularly for a motor vehicle lock mechanism, comprising a fixed stator consisting of at least two half-cylindrical parts, a rotor which is rotatably mounted in the stator and which comprises flakes mobile radially under the action of a key intended to be introduced axially into the rotor, the rotor being coupled with a control lever, called a threshing machine, when the key is compliant, and uncoupled from the latter in the disengaged position, latch characterized in that said coupling of the rotor and the thresher is direct and in that the lock comprises a tubular intermediate bushing which is rotatably mounted about its axis in the stator and which is axially movable relative to the stator, the rotor being fixed axially in the intermediate sleeve and the rotor and the intermediate sleeve being locked in rotation relative to one another by the flakes when the key does not comply.
Un tel verrou est d'encombrement particulièrement réduit. Sa longueur peut être réduite d'environ 8mm par rapport à un verrou connu. A titre d'exemple, il est possible de réaliser un verrou de longueur inférieure à 45cm et de diamètre inférieur à 30mm.Such a lock is particularly compact. Its length can be reduced by about 8mm compared to a known lock. For example, it is possible to make a latch shorter than 45cm in length and with a diameter of less than 30mm.
Le rendement d'un verrou conforme à l'invention est de plus amélioré puisque la chaîne cinématique en fonctionnement normal comporte uniquement deux pièces en prise mutuelle, le rotor et la batteuse. Selon un mode de réalisation préféré, le rotor et la douille intermédiaire sont liés en translation dans une direction allant de la batteuse vers l'entrée de clé, à rencontre de l'effort d'un ressort de compression. De préférence, le verrou comprend également un indexeur qui est mobile axialement entre une position de repos et une position de débrayage, sous l'effet d'une rotation de la douille par rapport au stator consécutive à l'entraînement en rotation du rotor à l'aide d'une clé non conforme, cet indexeur étant lié en rotation à la batteuse.The efficiency of a lock according to the invention is further improved since the kinematic chain in normal operation comprises only two parts in mutual engagement, the rotor and the threshing machine. According to a preferred embodiment, the rotor and the intermediate bushing are connected in translation in a direction from the thresher to the key inlet, against the force of a compression spring. Preferably, the lock also comprises an indexer which is axially movable between a rest position and a disengagement position, under the effect of a rotation of the bushing relative to the stator consecutive to the rotational drive of the rotor to the rotor. using a non-compliant key, this indexer being linked in rotation to the threshing machine.
Avantageusement, le rotor et l'indexeur sont liés en translation.Advantageously, the rotor and the indexer are linked in translation.
Le stator peut comporter un plot de guidage et de butée sur sa face intérieure.The stator may comprise a guide and abutment stud on its inner face.
De préférence, la douille intermédiaire comporte une encoche à côtés inclinés destinée à recevoir ledit plot en position embrayée.Preferably, the intermediate bushing has a notch with inclined sides for receiving said stud in the engaged position.
Et avantageusement, l'indexeur comporte des pans inclinés destinés à venir contre ledit plot en position débrayée.And advantageously, the indexer comprises inclined faces intended to come against said stud in the disengaged position.
Selon l'invention, de préférence, lesdites deux parties de stator bloquent par une de leurs extrémités une tête de clé au moyen d'une rainure agencée à cette extrémité.According to the invention, preferably, said two stator parts block at one of their ends a key head by means of a groove arranged at this end.
La tête de clé peut être ainsi montée de façon indépendante aux pièces constitutives du verrou et peut être choisie selon les contraintes d'effraction ou de corrosion exigées.The key head can thus be independently mounted to the component parts of the lock and can be chosen according to the burglary or corrosion constraints required.
Avantageusement, lesdites deux parties de stator viennent se bloquer par l'intermédiaire d'une bride dans une rainure annulaire agencée sur la batteuseAdvantageously, said two stator parts come to lock via a flange in an annular groove arranged on the threshing machine.
Le verrou conforme à l'invention présente une tenue à l'effraction, que ce soit à l'arrachement ou à l'enfoncement, améliorée.The lock according to the invention has a resistance to break-in, whether it is tearing or depression, improved.
Cette inviolabilité est également renforcée par un angle réduit au niveau de la batteuse sur la partie arrière. Le verrou conforme à l'invention présente un angle de débattement à ce niveau inférieur à 8° au lieu de 15° dans les verrous connus.This inviolability is also reinforced by a reduced angle at the thresher at the rear. The lock according to the invention has a deflection angle at this level of less than 8 ° instead of 15 ° in the known locks.
L'invention est décrite ci-après plus en détail à l'aide de figures ne représentant qu'un mode de réalisation préféré de l'invention. La figure 1 est une vue éclatée en perspective d'un verrou débrayable conforme à l'invention. La figure 2 est une vue en perspective du verrou débrayable conforme à l'invention, en position initiale.The invention is described below in more detail with the aid of figures representing only a preferred embodiment of the invention. Figure 1 is an exploded perspective view of a disengageable lock according to the invention. Figure 2 is a perspective view of the disengageable lock according to the invention, in the initial position.
La figure 3 est une vue en coupe transversale en position avant débrayage. La figure 4 est une vue en perspective d'un verrou conforme à l'invention, en position embrayée, le stator n'étant que partiellement représenté et le ressort de compression n'étant pas représenté.Figure 3 is a cross-sectional view in the position before disengagement. Figure 4 is a perspective view of a lock according to the invention in the engaged position, the stator being only partially shown and the compression spring is not shown.
La figure 5 est une vue en perspective d'un verrou conforme à l'invention, en position débrayée, le stator n'étant que partiellement représenté et le ressort de compression n'étant pas représenté.Figure 5 is a perspective view of a lock according to the invention in the disengaged position, the stator being only partially shown and the compression spring not being shown.
On a représenté sur la figure 1 un verrou rotatif d'axe longitudinal A1 comportant des moyens de débrayage conforme aux enseignements de l'invention. Ce verrou est représenté sur la figure 2 en position initiale avant introduction d'une clé. Le verrou 10 comporte essentiellement un rotor 12 qui est monté tournant, autour de l'axe A1 , à l'intérieur d'un stator 14 fixe constitué de deux parties demi-cylindriques 14A et 14B, avec interposition entre les deux d'une douille intermédiaire 16 tubulaire qui est montée en rotation autour de son axe dans le stator et qui est mobile axialement par rapport au stator. Cette douille intermédiaire 16 comporte à proximité de sa face frontale tournée vers la batteuse 24, sur une portion de sa périphérie une encoche 16 dont les côtés sont inclinés. Par ailleurs, cette douille est en butée contre le rotor grâce à une bride annulaire 16B (visible sur la figure 3), dans une direction dirigée de la batteuse vers l'entrée de clé. Le rotor 12 est destiné à être entraîné en rotation à l'aide d'une cléThere is shown in Figure 1 a rotary latch of longitudinal axis A1 having disengaging means according to the teachings of the invention. This lock is shown in Figure 2 in the initial position before introduction of a key. The latch 10 essentially comprises a rotor 12 which is rotatably mounted around the axis A1, inside a fixed stator 14 consisting of two half-cylindrical parts 14A and 14B, with interposition between the two of a socket tubular intermediate 16 which is rotatably mounted about its axis in the stator and which is axially movable relative to the stator. This intermediate bushing 16 has near its front face facing the thresher 24, on a portion of its periphery a notch 16 whose sides are inclined. Moreover, this bushing abuts against the rotor by means of an annular flange 16B (visible in FIG. 3), in a direction directed from the thresher towards the key inlet. The rotor 12 is intended to be rotated by means of a key
(non représentée) introduite axialement à l'intérieur du rotor 12 au travers d'une entrée de clé 18 agencée dans une face transversale avant 20 du rotor 12, laquelle face 20 est recouverte par un capot de tête 21 destiné par exemple à affleurer à l'extérieur d'un panneau de carrosserie (non représenté) du véhicule.(not shown) introduced axially inside the rotor 12 through a key inlet 18 arranged in a front transverse face 20 of the rotor 12, which face 20 is covered by a head cover 21 intended for example to be flush with the outside of a body panel (not shown) of the vehicle.
L'extrémité axiale arrière 22 du rotor 12 est destinée à entraîner en rotation un levier de commande ou barillet 24 d'un mécanisme de serrure (non représenté) pour autoriser la condamnation et la décondamnation d'un ouvrant du véhicule.The rear axial end 22 of the rotor 12 is intended to drive in rotation a control lever or barrel 24 of a lock mechanism (not shown) to authorize the conviction and unlocking of an opening of the vehicle.
Le rotor 12 est susceptible d'entraîner en rotation le levier de commande 24, uniquement en présence d'une clé conforme, dans une position embrayée dans laquelle sont liés en rotation le rotor 12 et le levier de commande 24 par l'intermédiaire d'un agencement d'emboîtement. Dans une position débrayée, le rotor 12 n'est plus susceptible d'entraîner le levier 24 en rotation.The rotor 12 is capable of rotating the control lever 24, only in the presence of a suitable key, in an engaged position in which are connected in rotation the rotor 12 and the control lever 24 via an interlocking arrangement. In a disengaged position, the rotor 12 is no longer capable of driving the lever 24 in rotation.
Un ressort hélicoïdal de compression 30 est interposé entre le stator 14 et la douille intermédiaire 16 pour solliciter cette dernière axialement vers l'arrière vers sa position embrayée.A helical compression spring 30 is interposed between the stator 14 and the intermediate sleeve 16 to bias the latter axially rearwardly towards its engaged position.
Le stator 14 est de forme générale tubulaire cylindrique, une fois les deux parties 14A, 14B assemblées, et il peut comporter des moyens (non représentés) qui permettent le montage et la fixation du verrou 10 sur le véhicule. Le stator comporte sur sa face intérieure un plot de butée et de guidage 14C dont les côtés présentent une forme en Vé tangentielle par rapport à cette face intérieure sur chacune de ses extrémités. Dans la position embrayée, l'encoche 16A de la douille intermédiaire est emboîtée dans ce plot de butée et de guidage 14C sous l'effort du ressort de compression 30.The stator 14 is generally tubular cylindrical, once the two parts 14A, 14B assembled, and it may comprise means (not shown) which allow the mounting and fixing of the lock 10 on the vehicle. The stator comprises on its inner face a stop and guide stud 14C whose sides have a V-shaped tangential to this inner face on each of its ends. In the engaged position, the notch 16A of the intermediate bushing is nested in this abutment and guide stud 14C under the force of the compression spring 30.
De manière connue, le rotor 12 est destiné à recevoir des paillettes 32 agencées dans des plans transversaux qui se succèdent à intervalles réguliers selon la direction de l'axe A1 du verrou 10 et qui sont reçues dans des logements correspondants du rotor 12. Les paillettes 32 sont mobiles radialement dans le rotor 12 et elles sont sollicitées élastiquement vers une position saillante dans laquelle elles dépassent partiellement à l'extérieur des logements du rotor 12.In known manner, the rotor 12 is intended to receive flakes 32 arranged in transverse planes which follow one another at regular intervals in the direction of the axis A1 of the latch 10 and which are received in corresponding housings of the rotor 12. The flakes 32 are radially movable in the rotor 12 and they are elastically biased towards a protruding position in which they extend partially outside the housing of the rotor 12.
Au contraire, lorsqu'une clé conforme est introduite à l'intérieur du rotor 12, les paillettes 32 sont entièrement escamotées radialement vers l'intérieur dans le rotor 12. Ainsi, lorsque la clé conforme est introduite dans le rotor 12, celui-ci peut pivoter librement par rapport à la douille intermédiaire cylindrique 16 et par rapport au stator 14.On the contrary, when a suitable key is introduced inside the rotor 12, the flakes 32 are entirely retracted radially inwards in the rotor 12. Thus, when the correct key is introduced into the rotor 12, it can pivot freely relative to the cylindrical intermediate sleeve 16 and relative to the stator 14.
Au contraire, si on introduit dans le rotor 12 une clé non conforme, ou tout autre outil, comme illustré sur la figure 3, les paillettes 34 ne sont pas entièrement escamotées et sont reçues à l'intérieur de fenêtres correspondantes 36 agencées dans la douille intermédiaire 16. Ainsi, les paillettes 34 immobilisent en rotation le rotor 12 par rapport à la douille intermédiaire 16 qui, elle, reste libre en rotation par rapport au stator 14. Un indexeur 28 est constitué d'une bague ouverte qui est clipsée dans une rainure 23 agencée à proximité de l'extrémité 22 du rotor tournée vers la batteuse 24. L'indexeur 28 est donc lié en translation avec le rotor.On the other hand, if a non-compliant key, or any other tool, is introduced into the rotor 12, as shown in FIG. 3, the flakes 34 are not entirely retracted and are received inside corresponding windows 36 arranged in the socket. intermediate 16. Thus, the flakes 34 immobilize in rotation the rotor 12 relative to the intermediate sleeve 16 which itself remains free in rotation relative to the stator 14. An indexer 28 consists of an open ring which is clipped into a groove 23 arranged near the end 22 of the rotor facing the thresher 24. The indexer 28 is thus linked in translation with the rotor.
Sur cette bague sont agencées en direction de la batteuse deux languettesOn this ring are arranged in the direction of the thresher two tongues
28A, 28B d'encastrement dans la batteuse 24. Sur sa face tournée vers le rotor, l'indexeur 28 comporte deux pans inclinés 28C et 28D. Comme il sera vu plus loin, ces deux pans inclinés sont en butées contre le plot de butée et de guidage 14C du stator en position débrayé.28A, 28B of installation in the thresher 24. On its side facing the rotor, the indexer 28 comprises two inclined faces 28C and 28D. As will be seen later, these two inclined faces abut against the stop and guide pad 14C of the stator in the disengaged position.
Le verrou 10 comporte également un ressort de rappel 50 fonctionnant en torsion et servant au rappel de la batteuse 24 en position initiale.The latch 10 also comprises a return spring 50 operating in torsion and serving to return the thresher 24 to the initial position.
Le fonctionnement du verrou conforme à l'invention va maintenant être décrit en référence aux autres figures.The operation of the lock according to the invention will now be described with reference to the other figures.
Sur la figure 4, une clé conforme a été introduite dans le rotor 12 par l'entrée de clé 18 et le verrou est donc en position embrayée. Les paillettes 32 sont donc escamotées à l'intérieur du rotor 12 qui peut tourner dans la douille intermédiaire 16.In Figure 4, a key compliant has been introduced into the rotor 12 by the key input 18 and the lock is thus in the engaged position. The flakes 32 are thus retracted inside the rotor 12 which can rotate in the intermediate bushing 16.
Dans cette position, le rotor 12 peut être tourné avec la clé et entraîne avec lui la batteuse 24 en rotation, libérant la serrure.In this position, the rotor 12 can be rotated with the key and carries with it the thresher 24 in rotation, releasing the lock.
La douille intermédiaire 16 reste immobile en rotation, liée au stator 14 par le plot de butée et de guidage 14C et l'indexeur 28 tourne librement avec la batteuse 24 par l'intermédiaire de ses pattes 28A et 28B. La rotation de la batteuse 24 est obtenue par la rotation des pièces suivantes : clé / rotor / batteuse.The intermediate bushing 16 remains motionless in rotation, connected to the stator 14 by the abutment and guide stud 14C and the indexer 28 freely rotates with the thresher 24 via its lugs 28A and 28B. The rotation of the thresher 24 is obtained by the rotation of the following parts: key / rotor / thresher.
En fin de course, lorsque la clé est lâchée, le ressort de rappel 50 dont une extrémité est fixe et une autre extrémité en butée contre une bride 24A de la batteuse 24, fait revenir la batteuse en position initiale ainsi que l'entraîneur et le rotor.At the end of the race, when the key is released, the return spring 50, one end of which is fixed and another end in abutment against a flange 24A of the thresher 24, returns the thresher to its initial position as well as the driver and the rotor.
Sur les figures 3 et 5, une clé non conforme a été introduite dans le rotor 12 par l'entrée de clé 18 et le verrou est donc en position débrayée. Les paillettes 32 ne sont donc pas escamotées à l'intérieur du rotor 12 qui est en conséquence lié en rotation à la douille intermédiaire 16, par encastrement des paillettes dans cette dernière.In FIGS. 3 and 5, a non-compliant key has been inserted into the rotor 12 through the keyway 18 and the lock is thus in the disengaged position. The flakes 32 are not therefore retracted inside the rotor 12 which is consequently rotatably connected to the intermediate bushing 16, by embedding the flakes in the latter.
La rotation de la clé non conforme entraîne donc en rotation le rotor 12 et la douille intermédiaire 16 liés. Cette douille intermédiaire 16, de par la coopération d'un côté de Vé du plot de butée et de guidage 14C, tournés vers le rotor, et d'un pan incliné de l'encoche 16A de la douille, est translatée en direction de l'entrée de clé à rencontre de l'effort du ressort de compression 30. Par sa bride annulaire 16B, la douille intermédiaire 16 entraîne avec elle le rotor 12 dans cette translation en direction de l'entrée de clé. Le rotor se déconnecte alors de son emboîtement avec la batteuse 24. Par ailleurs, le rotor 12 et l'indexeur 28 étant liés en translation, l'indexeur est également déplacé dans le même sens et ses pans inclinés 28C et 28D viennent en butée contre les côtés des Vé du plot de butée et de guidage 14C, tournés vers la batteuse. Dans cette position, il est immobilisé et bloque la batteuse par l'intermédiaire de ses branches d'engrénement 28A, 28B. La rotation volontaire de la clé entraîne donc le déplacement des pièces suivantes : translation de la douille intermédiaire / translation du rotor / / translation de l'indexeur / blocage en rotation de la batteuse.The rotation of the non-compliant key therefore rotates the rotor 12 and the intermediate sleeve 16 connected. This intermediate bushing 16, by the cooperation of one side of Ve of the stop and guide pad 14C, turned towards the rotor, and an inclined face of the notch 16A of the sleeve, is translated in the direction of the key entry against the force of the compression spring 30. By its annular flange 16B, the intermediate sleeve 16 carries with it the rotor 12 in this translation in the direction of the key entry. The rotor then disconnects from its engagement with the threshing machine 24. Moreover, the rotor 12 and the indexer 28 being linked in translation, the indexer is also moved in the same direction and its inclined faces 28C and 28D abut against the sides of the Ve of the stop and guide pad 14C, turned towards the threshing machine. In this position, it is immobilized and blocks the thresher through its meshing arms 28A, 28B. The voluntary rotation of the key therefore causes the following parts to move: translation of the intermediate bushing / translation of the rotor / / translation of the indexer / blocking rotation of the threshing machine.
Lors de l'introduction ultérieure d'une clé conforme, le rotor 12 est tourné grâce à la rotation de la clé jusqu'à la position initiale représentée sur les figures 2, puis le verrou est embrayé si la clé est conforme ou est débrayée si la clé n'est pas conforme. Le verrou conforme à l'invention est pourvu d'une tête de rotor 21 blindée, par exemple en acier fritte. Le stator 14 en deux parties améliore également la tenue aux chocs.Upon subsequent introduction of a suitable key, the rotor 12 is rotated by the rotation of the key to the initial position shown in Figures 2, then the lock is engaged if the key is compliant or is disengaged if the key does not comply. The lock according to the invention is provided with a shielded rotor head 21, for example made of sintered steel. The stator 14 in two parts also improves the resistance to shocks.
Ce verrou présente des qualités d'inviolabilité accrue par rapport à l'art antérieur.This lock has increased tamper qualities compared to the prior art.
Les deux parties de stator 14A, 14B enferme les pièces constitutives du verrou et bloquent par une de leurs extrémités la tête de clé 21 au moyen d'une rainure 21 A, 21 B agencée à cette extrémité et dans laquelle est emboîtée la tête de clé. A leur autre extrémité, elles viennent se bloquer par l'intermédiaire d'une bride 24B, 24C dans une rainure annulaire 24D agencée sur la batteuse 24. The two stator parts 14A, 14B enclose the constituent parts of the lock and block by one of their ends the key head 21 by means of a groove 21 A, 21 B arranged at this end and in which is fitted the key head . At their other end, they come to lock via a flange 24B, 24C in an annular groove 24D arranged on the thresher 24.

Claims

REVENDICATIONS
1. Verrou débrayable (10), notamment pour un mécanisme de serrure de véhicule automobile, comportant un stator fixe (14) constitué d'au moins deux parties demi-cylindriques (14A, 14B), un rotor (12) qui est monté en rotation dans le stator et qui comporte des paillettes (32) mobiles radialement sous l'action d'une clé destinée à être introduite axialement dans le rotor, le rotor (12) étant accouplé avec un levier de commande (24), appelé batteuse, lorsque la clé est conforme, et désaccouplé de cette dernière en position débrayée, verrou caractérisé en ce que ledit accouplement du rotor (12) et de la batteuse (24) est direct et en ce que le verrou comporte une douille intermédiaire tubulaire (16) qui est montée en rotation autour de son axe dans le stator et qui est mobile axialement par rapport au stator (14), le rotor (12) étant fixe axialement dans la douille intermédiaire (16) et le rotor (12) et la douille intermédiaire (16) étant bloqués en rotation l'une par rapport à l'autre par les paillettes lorsque la clé n'est pas conforme.1. Disengageable bolt (10), in particular for a motor vehicle lock mechanism, comprising a fixed stator (14) consisting of at least two semi-cylindrical parts (14A, 14B), a rotor (12) which is mounted in rotation in the stator and which comprises flakes (32) movable radially under the action of a key intended to be introduced axially into the rotor, the rotor (12) being coupled with a control lever (24), called a threshing machine, when the key is compliant, and uncoupled from the latter in the disengaged position, lock characterized in that said coupling of the rotor (12) and the thresher (24) is direct and in that the lock comprises a tubular intermediate sleeve (16) which is rotatably mounted about its axis in the stator and which is axially movable relative to the stator (14), the rotor (12) being fixed axially in the intermediate bushing (16) and the rotor (12) and the intermediate bushing (16) being locked in rotation one e with respect to each other by flakes when the key is not in conformity.
2. Verrou selon la revendication 1 , caractérisé en ce que le rotor (12) et la douille intermédiaire (16) sont liés en translation dans une direction allant de la batteuse (24) vers l'entrée de clé (20), à rencontre de l'effort d'un ressort de compression (30).2. Lock according to claim 1, characterized in that the rotor (12) and the intermediate sleeve (16) are connected in translation in a direction from the thresher (24) to the key inlet (20), to meet the force of a compression spring (30).
3. Verrou selon la revendication 1 ou 2, caractérisé en ce qu'il comprend également un indexeur (28) qui est mobile axialement entre une position de repos et une position de débrayage, sous l'effet d'une rotation de la douille (16) par rapport au stator (14) consécutive à l'entraînement en rotation du rotor (12) à l'aide d'une clé non conforme, cet indexeur (28) étant lié en rotation à la batteuse (24).3. Lock according to claim 1 or 2, characterized in that it also comprises an indexer (28) which is axially movable between a rest position and a disengagement position, under the effect of a rotation of the sleeve ( 16) relative to the stator (14) consecutive to the rotational drive of the rotor (12) with a non-compliant key, the indexer (28) being rotatably connected to the thresher (24).
4. Verrou selon la revendication 3, caractérisé en ce que le rotor (12) et l'indexeur (28) sont liés en translation. 4. Lock according to claim 3, characterized in that the rotor (12) and the indexer (28) are linked in translation.
5. Verrou selon l'une des revendications précédentes, caractérisé en ce que le stator (14) comporte un plot de guidage et de butée (14C) sur sa face intérieure. 5. Lock according to one of the preceding claims, characterized in that the stator (14) comprises a guide and abutment stud (14C) on its inner face.
6. Verrou selon la revendication 5, caractérisé en ce que la douille intermédiaire (16) comporte une encoche (16A) à côtés inclinés destinée à recevoir ledit plot (14C) en position embrayée.6. Lock according to claim 5, characterized in that the intermediate sleeve (16) comprises a notch (16A) with sloping sides for receiving said stud (14C) in the engaged position.
7. Verrou selon la revendication 3 ou 4 et la revendication 5 ou 6, caractérisé en ce que l'indexeur (28) comporte des pans inclinés (28C,7. Lock according to claim 3 or 4 and claim 5 or 6, characterized in that the indexer (28) has inclined faces (28C,
28D) destinés à venir contre ledit plot (14C) en position débrayée.28D) intended to come against said pad (14C) in the disengaged position.
8. Verrou selon l'une des revendications précédentes, caractérisé en ce que lesdites deux parties de stator (14A, 14B) bloquent par une de leurs extrémités une tête de clé (21) au moyen d'une rainure (21 A, 21B) agencée à cette extrémité.8. Lock according to one of the preceding claims, characterized in that said two stator portions (14A, 14B) block by one of their ends a key head (21) by means of a groove (21 A, 21B) arranged at this end.
9. Verrou selon l'une des revendications précédentes, caractérisé en ce que lesdites deux parties de stator (14A, 14B) viennent se bloquer par l'intermédiaire d'une bride (24B, 24C) dans une rainure annulaire (24D) agencée sur la batteuse (24). 9. Lock according to one of the preceding claims, characterized in that said two stator portions (14A, 14B) are locked by means of a flange (24B, 24C) in an annular groove (24D) arranged on the thresher (24).
PCT/EP2006/065226 2005-08-17 2006-08-10 Releasable lock for a motor vehicle lock mechanism WO2007020232A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
KR1020087006382A KR101281224B1 (en) 2005-08-17 2006-08-10 Releasable lock for a motor vehicle lock mechanism
MX2008002371A MX2008002371A (en) 2005-08-17 2006-08-10 Releasable lock for a motor vehicle lock mechanism.
DE200660008035 DE602006008035D1 (en) 2005-08-17 2006-08-10 LOCKABLE LOCK FOR A MOTOR VEHICLE LOCK MECHANISM
EP20060778223 EP1957734B1 (en) 2005-08-17 2006-08-10 Releasable lock for a motor vehicle lock mechanism
AT06778223T ATE437278T1 (en) 2005-08-17 2006-08-10 UNLOCKABLE LOCK FOR A MOTOR VEHICLE LOCK MECHANISM
CN2006800376278A CN101283154B (en) 2005-08-17 2006-08-10 Releasable lock for a motor vehicle lock mechanism
JP2008526485A JP4949398B2 (en) 2005-08-17 2006-08-10 Releasable locking device for vehicle locking / unlocking mechanism
BRPI0614342-3A BRPI0614342A2 (en) 2005-08-17 2006-08-10 locking tab that can be unlocked particularly for a motor vehicle locking mechanism
US12/064,212 US8347677B2 (en) 2005-08-17 2006-08-10 Releasable lock for a motor vehicle lock mechanism

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0508573 2005-08-17
FR0508573A FR2889859B1 (en) 2005-08-17 2005-08-17 DEBRAYABLE LATCH FOR AUTOMOBILE LOCK MECHANISM

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WO2007020232A1 true WO2007020232A1 (en) 2007-02-22

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US (1) US8347677B2 (en)
EP (1) EP1957734B1 (en)
JP (1) JP4949398B2 (en)
KR (1) KR101281224B1 (en)
CN (1) CN101283154B (en)
AT (1) ATE437278T1 (en)
BR (1) BRPI0614342A2 (en)
DE (1) DE602006008035D1 (en)
FR (1) FR2889859B1 (en)
MX (1) MX2008002371A (en)
PT (1) PT1957734E (en)
WO (1) WO2007020232A1 (en)

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US8347677B2 (en) 2013-01-08
DE602006008035D1 (en) 2009-09-03
FR2889859B1 (en) 2007-10-19
PT1957734E (en) 2009-10-15
JP4949398B2 (en) 2012-06-06
KR101281224B1 (en) 2013-07-02
FR2889859A1 (en) 2007-02-23
CN101283154B (en) 2011-12-07
US20080216532A1 (en) 2008-09-11
MX2008002371A (en) 2008-03-18
EP1957734B1 (en) 2009-07-22
ATE437278T1 (en) 2009-08-15
EP1957734A1 (en) 2008-08-20
BRPI0614342A2 (en) 2011-03-22
JP2009504952A (en) 2009-02-05
CN101283154A (en) 2008-10-08
KR20080043356A (en) 2008-05-16

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